Home / 57,439,655.45-85,711,487.07-51,249,081.41

Finding the Fourth Proportional to 57,439,655.45, 85,711,487.07 and 51,249,081.41

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Solution

The fourth proportional to 57,439,655.45, 85,711,487.07 and 51,249,081.41 is: 76,473,908.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,439,655.45 : 85,711,487.07 = 51,249,081.41 : x
  2. Step 2: Convert to fraction form
    57,439,655.45/85,711,487.07 = 51,249,081.41/x
  3. Step 3: Cross multiply
    57,439,655.45x = 85,711,487.07 × 51,249,081.41
  4. Step 4: Simplify right side
    57,439,655.45x = 4,392,634,978,707,637
  5. Step 5: Solve for x
    x = 4,392,634,978,707,637/57,439,655.45
  6. Step 6: Final answer
    x = 76,473,908.91

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.